For married mothers, the time spend on child care increased to an average of 12.9 hours a week in 2009.
A. For
B. spend
C. increased
D. an average

Who has eyes can see what great achievements we have made since 1978.
A. Who
B. has eyes
C. what great achievements
D. have made

We solved the problem by using a computer rather than to do it all by hand .
A. by using
B. rather
C. to do
D. by hand

Many parents feel they need to keep a closer eye to their children because of concerns about crime and school violence.
A. need to
B. to
C. because of
D. about

How and why this language has survived for more than a thousand years, while spoke by very few, is hard to explain .
A. How and
B. has
C. spoke
D. to explain

I invited Joe and Linda as well as Tom to dinner , but neither of them came.
A. invited
B. as well as
C. to dinner
D. neither

When you"ve finished with that book, don"t forget to put it back on the shelf, won"t you
A. finished
B. don"t
C. to put it back
D. won"t you

The workers in the factory demanded that their pay would be raised by 20 percent.
A. The workers
B. demanded
C. would be
D. by

The Great Wall is so a well-known tourist attraction that millions of people pour in every year.
A. The
B. so
C. tourist attraction
D. millions

Equipped with modern facilities, today"s hospitals are quite different from that of the past.
A. Equipped with
B. today"s hospitals
C. different
D. that